ANTOP Antenna “Big Boy” AT-400B Flat Panel HDTV Antenna with Smartpass Amplified Outdoor/Indoor,80 Miles Range Support 4K 1080p Channels & All Older TV's for Outdoor, Attic,40ft Coax Cable

ANTOP’s New Generation Digital Technology1) Smart pass Amplifier, exclusive ANTOP technology, uses an all-in-one design allowing easier connection while delivering the correct balance between short and long range reception.2) 4G LTE Filter: built into all ANTOP amplified antennas, blocks 3G and 4G wireless signals for noise-free digital reception.3) High Gain reception technology, shielded for minimum interference.4) Durable exterior, waterproof design with UV coating5) Supports VHF & UHF digital signals6) Mounting accessory options If your outdoor TV antenna is not working as expected, try the following tips: or just feel free to contact us,:)1, Check to make sure you have correctly connected the antenna to your HDTV or third-party HD receiver.2, Re-scan for channels: In the TV's setup menu, set the mode to indoor antenna or air. Refer to the TV manual for detailed instructions.3, Reposition the amplifier antenna in a different location. It is suggested place it higher on a attic or outside. Sometimes moving a few feet can make a difference.4,You can receive Hi-V signals when you install the detachable rods

• 1>SMARTPASS AMPLIFIER TECHONLOGY---an exclusive technology offered only by ANTOP, uses an all-in-one design to allow an easier connection between a non-amplified/passive antenna and your TV delivering the correct balance between short and long range reception，ANTOP was the first antenna manufacturer to include aBUILT-IN4G FILTER in all their amplified products to BLOCK 3G and 4G wireless signals to ensure NOISE-FREE digital TV reception.
• 2>SLEEK DURABLE DESIGN---AT-400Bdigital TV antenna with NEW GENERATION DIGITAL TECHNOLOGY is designed to match similar gain of traditional bulky, unsightly mechanical antennas with an amplified signal reach of range from 0, 65 to 80 miles from point of origination to assure more channel reception and fewer blind spots.
• 3> built-in- 4G LTE Filter ---blocks unwanted 3G and 4G wireless signals to ensure noise-free digital TV reception and reduce picture pixilation.
• 4> durable exterior& weather resistant ---UV coated, weather Resistant exterior design combined with anti-interference internal tech protects signal reception to provide clear pictures and full Channel capacity even during inclement weather.
• 5>100% QUALITY --- ANTOP outdoor TV antenna is with UL Certification, We do offer 100% satisfaction guarantee - 30 Days Back Money - 12 Months , any question you are welcome to email us, our professional after sales team always be there to service for you. Please carefully read the manual before installation.